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Prescriptive grid-tied inverter control

Prescriptive grid-tied inverter control
Prescriptive grid-tied inverter control

This article introduces a prescriptive control approach that improves the performance of grid-tied inverters. The current mainstream of contributions is predominantly based on combinations of canonical feedback actions, i.e., proportional (P), integral (I), derivative (D), and resonant (R). However, this classical view cannot synthesize suitable 'intermediate' controller structures - which are not necessarily PIDR interconnections. In contrast, the proposed approach prescribes desired dynamics as initial step, and then synthesizes the exact feedback that enforces such prescription. It is also shown that prescriptive control is downward compatible with the popular PR control. The latter reaches only a narrow set of dynamical responses, since it is neglects crucial signal components, native to the proposed setting - which can improve the inverter performance in terms of achieving short settling times, small overshoots, robustness, and wide stability margins. Simulations and experiments are reported using a single-phase grid-tied inverter with an LCL filter.

Control, grid-tied inverters, trajectory tracking
2168-6777
4818-4830
Lopez-Sarabia, Jorge L.
e865c884-4d25-4c2e-8805-c25a3bf50450
Mayo-Maldonado, Jonathan C.
67a88f33-f59e-46b2-abe6-386919d4f244
Escobar, Gerardo
9d5b1954-920f-46b6-83a3-fc61eed024f2
Stone, David A.
55371568-5b00-4103-821a-d3d8efb74ff9
Del Puerto-Flores, Dunstano
afa77851-1eae-44b8-9efc-7e6943505981
Li, Yunwei
26f56ed1-880b-477b-b8fc-006b55ffd6a6
Lopez-Sarabia, Jorge L.
e865c884-4d25-4c2e-8805-c25a3bf50450
Mayo-Maldonado, Jonathan C.
67a88f33-f59e-46b2-abe6-386919d4f244
Escobar, Gerardo
9d5b1954-920f-46b6-83a3-fc61eed024f2
Stone, David A.
55371568-5b00-4103-821a-d3d8efb74ff9
Del Puerto-Flores, Dunstano
afa77851-1eae-44b8-9efc-7e6943505981
Li, Yunwei
26f56ed1-880b-477b-b8fc-006b55ffd6a6

Lopez-Sarabia, Jorge L., Mayo-Maldonado, Jonathan C., Escobar, Gerardo, Stone, David A., Del Puerto-Flores, Dunstano and Li, Yunwei (2023) Prescriptive grid-tied inverter control. IEEE Journal of Emerging and Selected Topics in Power Electronics, 11 (5), 4818-4830. (doi:10.1109/JESTPE.2023.3289963).

Record type: Article

Abstract

This article introduces a prescriptive control approach that improves the performance of grid-tied inverters. The current mainstream of contributions is predominantly based on combinations of canonical feedback actions, i.e., proportional (P), integral (I), derivative (D), and resonant (R). However, this classical view cannot synthesize suitable 'intermediate' controller structures - which are not necessarily PIDR interconnections. In contrast, the proposed approach prescribes desired dynamics as initial step, and then synthesizes the exact feedback that enforces such prescription. It is also shown that prescriptive control is downward compatible with the popular PR control. The latter reaches only a narrow set of dynamical responses, since it is neglects crucial signal components, native to the proposed setting - which can improve the inverter performance in terms of achieving short settling times, small overshoots, robustness, and wide stability margins. Simulations and experiments are reported using a single-phase grid-tied inverter with an LCL filter.

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More information

Published date: 27 June 2023
Additional Information: Publisher Copyright: © 2013 IEEE.
Keywords: Control, grid-tied inverters, trajectory tracking

Identifiers

Local EPrints ID: 503580
URI: http://eprints.soton.ac.uk/id/eprint/503580
ISSN: 2168-6777
PURE UUID: 2faf8eae-dd9f-40ad-86f6-ea844ff9f2e8

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Date deposited: 05 Aug 2025 16:54
Last modified: 05 Aug 2025 16:54

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Contributors

Author: Jorge L. Lopez-Sarabia
Author: Jonathan C. Mayo-Maldonado
Author: Gerardo Escobar
Author: David A. Stone
Author: Dunstano Del Puerto-Flores
Author: Yunwei Li

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